#hardware platform: pyboard V1.1from pyb import Pin,I2Cimport rgb1602import timei2c=pyb.I2C(1,pyb.I2C.MASTER,baudrate=100000)               #Init i2cprint("========DFRobot pyboard I2C LCD1602 TEST===========")lcd=rgb1602.RGB1602(16,2,i2c)                               #create LCD object,Specify col and rowlcd.setRGB(0,50,0);                                         #set the value of RGBlcd.setCursor(0,0)                                          #set the value of coordinateslcd.print("DFRobot")                                        #display "DFRobot"lcd.setCursor(5,1)lcd.print("chengdu")#lcd.home()lcd.print(3322)while True:  time.sleep(1)  lcd.scrollDisplayLeft()                                 #Set the display mode and scroll direction